Photos provided by Duncan Firm, the lawfirm handling the class action suit against ExxonMobil, show the rupture in the Pegasus crude oil pipeline in Mayflower. 

Phillip Duncan of Duncan Firm said Thursday about 10 more Mayflower residents have joined the suit, which claims property values are diminished because of defective conditions of the pipeline, installed in the area in the 1940s.

Photos were taken as the firm investigated the site, Duncan said.